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#Question id: 2791


In mammals, X-chromosome inactivation

#Unit 2. Cellular Organization
  1. occurs in half the diploid cells of the adult female.

  2. results from the ionization of the X-chromosome.

  3. is considered an epigenetic event.

  4. b and c


Answer:- Option(s): 3


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#Unit 4. Cell Communication and Cell Signaling

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#Unit 2. Cellular Organization

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#Question id: 31358

#Unit 3. Fundamental Processes

sRNA of E. coli is the 81-nucleotide RNA which is involved in the 

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